| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.79 |
| Score | 0% | 56% |
Which of these is not a function of bone in the human skeletal system?
store vitamins |
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store minerals |
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produce blood cells |
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protect bodily organs |
Hard bones provide primary support for the endoskeleton while more flexible cartilage is found at the end of all bones, at the joints, and in the nose and ears. In addition to providing support and protecting bodily organs, bones also produce blood cells and store minerals like calcium.
During digestion, after proteins are broken down where does the undigested food go next?
esophagus |
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small intestine |
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stomach |
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large intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
all-altitude |
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high-altitude |
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mid-altitude |
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low-altitude |
Clouds are categorized based on their shape, size, and altitude. Stratus clouds are low-altitude clouds characterized by horizontal layering with a broad flat base. When stratus clouds occur on the ground the result is fog.
Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?
radiation |
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conduction |
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reflection |
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convection |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
Scalar quantities are fully described by which of the following?
a magnitude and a polarity |
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a magnitude and a direction |
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a direction only |
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a magnitude only |
Velocity and displacement are vector quantities which means each is fully described by both a magnitude and a direction. In contrast, scalar quantities are quantities that are fully described by a magnitude only. A variable indicating a vector quantity will often be shown with an arrow symbol: \(\vec{v}\)